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app.js
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app.js
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var sysUtils = require('./utils');
console.log("");
console.log("Starting Iframely...");
console.log("Base URL for embeds that require hosted renders:", CONFIG.baseAppUrl);
if (!CONFIG.baseAppUrl) {
console.warn('Warning: CONFIG.baseAppUrl not set, default value used');
}
var path = require('path');
var express = require('express');
var jsonxml = require('jsontoxml');
var NotFound = sysUtils.NotFound;
var app = express();
app.set('view engine', 'ejs');
if (CONFIG.allowedOrigins) {
app.use(function(req, res, next) {
var origin = req.headers["origin"];
if (origin) {
if (CONFIG.allowedOrigins.indexOf('*') > -1) {
res.setHeader('Access-Control-Allow-Origin', '*');
} else {
if (CONFIG.allowedOrigins.indexOf(origin) > -1) {
res.setHeader('Access-Control-Allow-Origin', origin);
}
}
}
next();
});
}
app.disable( 'x-powered-by' );
app.use(function(req, res, next) {
res.setHeader('X-Powered-By', 'Iframely');
next();
});
app.use(sysUtils.cacheMiddleware);
require('./modules/api/views')(app);
require('./modules/debug/views')(app);
require('./modules/tests-ui/views')(app);
app.use(logErrors);
app.use(errorHandler);
function logErrors(err, req, res, next) {
if (CONFIG.RICH_LOG_ENABLED) {
console.error(err.stack);
} else {
console.log(err.message);
}
next(err);
}
function respondWithError(req, res, code, msg, messages) {
var err = {
error: {
source: 'iframely',
code: code,
message: msg
}
};
if (messages) {
err.error.messages = messages;
}
var ttl;
if (code === 404) {
ttl = CONFIG.CACHE_TTL_PAGE_404;
} else if (code === 408) {
ttl = CONFIG.CACHE_TTL_PAGE_TIMEOUT;
} else {
ttl = CONFIG.CACHE_TTL_PAGE_OTHER_ERROR
}
if (req.query.format === 'xml') {
var xmlError = jsonxml(err, {
escape: true,
xmlHeader: {
standalone: true
}
});
res.sendCached('text/xml', xmlError, {
code: code,
ttl: ttl
});
} else {
res.sendJsonCached(err, {
code: code,
ttl: ttl
});
}
}
var proxyErrorCodes = [401, 403, 408];
function errorHandler(err, req, res, next) {
if (err instanceof NotFound) {
respondWithError(req, res, 404, err.message, err.messages);
} else {
var code = err.code || 500;
proxyErrorCodes.map(function(e) {
if (err.message.indexOf(e) > - 1) {
code = e;
}
});
var message = 'Server error';
if (code === 400) {
message = err.message && ('Bad Request: ' + err.message) || 'Bad Request';
}
else if (code === 401) {
message = 'Unauthorized';
// Force 403 to prevent Basic auth popup.
code = 403;
}
else if (code === 403) {
message = 'Forbidden';
}
else if (code === 404) {
message = 'Not found';
}
else if (code === 408) {
message = 'Timeout';
}
else if (code === 410) {
message = 'Gone';
}
else if (code === 415 || code === 417) {
message = err.message || 'Unsupported Media Type';
}
respondWithError(req, res, code, message, err.messages);
}
}
process.on('uncaughtException', function(err) {
if (CONFIG.DEBUG) {
console.log(err.stack);
} else {
console.log(err.message);
}
});
if (process.env.NODE_ENV !== 'test') {
// This code not compatible with 'supertest' (in e2e.js)
// Disabled for tests.
app.use(CONFIG.relativeStaticUrl, express.static('static'));
}
app.get('/', function(req, res) {
res.writeHead(302, { Location: 'http://iframely.com'});
res.end();
});
process.title = "iframely";
process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
module.exports = app;